Gold remains our best means of economic measurement. It is not a perfect, but it is our best. Due to its monetary properties, gold can be used to measure wealth across generations.
Just like we have the sun and moon to discern the times and seasons, I believe, we have gold to discern changes in wealth. It is interesting that the sun is often compared to gold, and the moon to silver. Just like a day in the Middle Ages is comparable to a day in this century, an ounce of gold in the Middle Ages is comparable to one today.
Currently, we use fiat currency, like the dollar, for economic measurement. However, this creates a huge distortion due to the fiat currency being highly unstable. Can you imagine what would be the effect on our planet if we did not use the normal cycles that the sun and moon provide us with? Our ability to produce food, for example, could be severely disrupted, leading to famine or possible extinction of mankind.
By using a highly unreliable measure like the US dollar, our ability to make proper economic decisions is severely impaired, since we (the common man) are not easily able to distinguish between a real increase or decrease in wealth, for example. This causes a great misallocation of wealth and will lead to a severe economic depression.
When you look at a chart of US GDP in US dollars, then it tells you that the US economy has been growing almost consistently – see below: Real GDP (inflation adjusted GDP) from US. Bureau of Economic Analysis:
It also tells you that the US economy is about eight times bigger than it was in 1947.
If you measure GDP in gold terms, see below – GDP as measured in Billions of gold grams (from PricedinGold.com):
Then, it tells you that GDP is in a massive downward trend since 2001. It also tells you that the US economy is only about twice the size that it was in 1947. In fact, it tells me that it is very likely heading to Great Depression levels and lower.